[YARN-2192] TestRMHA fails when run with a mix of Schedulers

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.5.0
• Hadoop Flags: Reviewed
• Assignee: Anubhav Dhoot
• Reporter: Anubhav Dhoot
• Created: 23/Jun/14 05:52
• Updated: 15/Aug/14 05:44
• Resolved: 24/Jun/14 17:15

Description

If the test is run with FairSchedulers, some of the tests fail because the metricsssytem objects are shared across tests and not destroyed completely.

Error Message

Metrics source QueueMetrics,q0=root already exists!
Stacktrace

org.apache.hadoop.metrics2.MetricsException: Metrics source QueueMetrics,q0=root already exists!
	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126)
	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107)
	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:96)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1281)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:427)